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z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…
Z80 snapshot formatI read documentation for Z80 snapshot on WOS and see in table possibility insert ROM image to Z80 file. Here is full table: [code]The pages are numb…
... read documentation for Z80 snapshot on WOS ... possibility insert ROM image to Z80 file.
... supported rom loading from Z80 file ? I test ... only ram pages from Z80 snapshot and ignore rom ... 't save Z80...).
Here is Z80 snapshot 128kB ...Replacing ZTX650 with BD139Today I blew up one of the GALs on one of my DivIDEs while testing on my Toastrack. Shorted M1 with 12V and the 12V circuit broke. I had to replace T…
... have experience with the BD139 replacing TR4 in this circuit ?Replaced Z80 now a very dark screen!Today I dag out an old issue 3 that ive known for a long time has a faulty Z80 (M1 line) so I heat gunned it out, socketed it and replaced it with a …
... long time has a faulty Z80 (M1 line) so I heat ...Excel -> OpenOffice Z80 spreadsheet problemI tried transferring my [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/z80times.zip]Z80TIMES[/url] spreadsheet from Excel to OpenOffice the o…
... correct, as it looks up Z80 command timings from Einar's ...Z80 new old stockHi. I found this on eBay but ... is there a way we could know they don't hav a faulty M1 line? [url]http://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PS…
... ://www.ebay.com/itm/Zilog-Z80-CPU-Z0840004PSC-New-Sinclair-ZX81 ...Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…
... which current ones in the Z80 set would you replace?Adventure Skabet.z80Skabet.z80 (from Wos Archive) will not load.... Am I wrong ?
Skabet.z80 (from Wos Archive) will not load....
Am I wrong ?Ticks, the first command line Z80 emulatorThe project page is in Spanish: [url]http://retrolandia.net/foro/showthread.php?tid=43[/url] So I will expain a little. Ticks is an emulator that …
... of file process across a Z80 routine.
The emulator ... core has passed the Z80 Exerciser:
[url]http://mdfs ...New Z80 CPU emulation testerI have finally wrapped up the new [URL="http://zxds.raxoft.cz/taps/misc/z80test-1.0.zip"]Z80 tester package[/URL] I have previously announced in [URL…
... /misc/z80test-1.0.zip"]Z80 tester package[/URL] I have ...Loading .z80 filesHi, I have a +3 with MF3, but the tape player I bought doesn't output a loud enough signal to be heard by my Spectrum. Of late, I've been loading .…
... got a few games in .z80 format (these are snapshots, I ... , though hopefully I can run .z80 directly from my CF card ... something similar to "playtzx" for .z80? (I've been using playtzx ...Fastest Z80?Hi , Could somebody explain more about the Kawasaki Z80 33 MHz to me? Is it fully backwards binary compatible with older Z80s and could it be used a…
... explain more about the Kawasaki Z80 33 MHz to me? Is ... only find this:
Z80
? 8-bit microprocessor
Which type of Z80 cpu to use with ZX 48?Which type of Z80 cpu can I use with ZX 48? Only the 4 MHz cpu's or some with more MHz? Did not know if a 6 MHz cpu runs in a ZX 48 with 4 MHz. Mic…
Which type of Z80 cpu can I use with ZX 48? Only the 4 MHz cpu's or some with more MHz? Did not know if a 6 MHz cpu runs in a ZX 48 with 4 MHz.
MickyCompiling Lisp to Z80.I am doing some thought experiments on this. Here is an example of a Lisp program. It adds two numbers together. [code] (define (add x y) (if (= …
... code translated by me to Z80 (there could well be many ... , I've not done much Z80 before at all so bear ...Faulty French +2 grayA friend of mine has a faulty french +2 grey model. The picture its giving out is this... [URL=http://imageshack.us/photo/my-images/19/post2036357600…
... [/URL]
He tried replacing the Z80 but no change.
I ...Replacing capacitors on a +3 PSUDoes anyone know what kind of PSU does the +2A/B +3 use? Is it a switching one? Judging from it's weight I don't think it must be.... Anyway, I just…
... kind). I'm thinking of replacing them... here's the list ...128K Toastrack - bad Z80?My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work. divIDE does not show the boot screen and in both if I push the N…
My 128K Toastrack works fine, but if I try to use divIDE or M1/128 it does not work.
divIDE does not show the boot screen and in both if I push the NMI button, the Spectrum resets.
Is a bad Z80 CPU?
My soldering skills are so bad. :(maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …
... maximum addressable RAM for a Z80 using bank switching?
... this the limit for a Z80?
A ... address lines from the Z80 are used to select ... bits come directly from the Z80 address bus.[2] Effectively ... address space of the Z80 processor is divided into ....Z80 File Format when exported by SpecEmuI'm trying to parse a .Z80 file generated by SpecEmu but am getting a few discrepancies from [url=http://www.worldofspectrum.org/faq/reference/z80for…
... 'm trying to parse a .Z80 file generated by SpecEmu but ...The "best" Z80?What's the best Z80 for Spectrums? I know there are differences between brands (Nec, Zilog, Thomson) and technologies (CMOS, NMOS), so what Z80 woul…
What's the best Z80 for Spectrums?
I ... technologies (CMOS, NMOS), so what Z80 would you recommend for Spectrums ...Spectrum Z80 UIDE Rev 3.1E - 8bit IDE AdapterHello my fellow WoSer's Recently I had some bad luck with my local post-office - this lead to some problems requiring me to have some more adapters…
... these
[B]Z80 Universal Z80 IDE adapter Rev 3.1e ... ]
[B]?19.99 1x Z80 UIDE Adapter Rev 3.1e ...Z80 internal compressionThis isn't exactly a ZX Spectrum problem, but since WOS probably has some of the best Z80 coders in the world, I thought I might ask anyway. For my …
... has some of the best Z80 coders in the world, I ...Issue 3 board... How to resurrect?Dear Everyone, Now I have a working 48k Issue 3, a sort of working Speccy+ (still having problems with the keyboard, more of that in another post) a…
... it a matter now of replacing all the lower RAM chips ... the ULA, and then the Z80? I've looked through the ...z80 uide problemCould someone help me with the z80 uide. I would like to know how to get an emulator to read the CF disc and put my games on there please
Could someone help me with the z80 uide. I would like to know how to get an emulator to read the CF disc and put my games on there pleaseSpectrum +2A problemWorking my way through a new influx of greys and blacks i came across one thats got me a little stumped, on boot it goes straight to vertical black a…
... . so far ive tried replacing ROM, Z80 and RAM to no effect ...How to test Z80 Code?Hi All, Is there a way to test a block of z80 code (nothing speccy specific in it) with many different inputs? The reason I ask is that I'm writing…
... to test a block of z80 code (nothing speccy specific in ...Z80 questionbeen told that the DivIDE 2K11 i ordered may not work with my +2 gray due to the Z80 I may have. The one I have is as follows Zilog Z8400APS Z80 86…
... +2 gray due to the Z80 I may have.
Zilog
Z8400APS
Z80
8627
Does ...Z80 compat listAfter the chat I had with a person on my facebook group about which Z80 chips work with the DivIDE device I found that there was no list at all to le…
... my facebook group about which Z80 chips work with the DivIDE ... know the details of your Z80 chip be it you have ... ://www.dropbox.com/s/z8p1iqlbof7y7nx/Z80%20compat%20list.odt[/url]
Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…
... this.
Z80 in ReVerSE runs at 42 ... MHz (comparable to 70 MHz Z80).
Two ... options:
1. Fast Z80 on the mainboard. Plusses: easy ... option.
2. Fast Z80 in NeoGS card, invisible ... may be added to Z80 instruction set, 2 MB ...
